smallest_rectangle2_xldsmallest_rectangle2_xldSmallestRectangle2XldSmallestRectangle2Xldsmallest_rectangle2_xld (算子名称)
名称
smallest_rectangle2_xldsmallest_rectangle2_xldSmallestRectangle2XldSmallestRectangle2Xldsmallest_rectangle2_xld — Smallest enclosing rectangle with arbitrary orientation of contours or
polygons.
参数签名
Herror smallest_rectangle2_xld(const Hobject XLD, double* Row, double* Column, double* Phi, double* Length1, double* Length2)
Herror T_smallest_rectangle2_xld(const Hobject XLD, Htuple* Row, Htuple* Column, Htuple* Phi, Htuple* Length1, Htuple* Length2)
void SmallestRectangle2Xld(const HObject& XLD, HTuple* Row, HTuple* Column, HTuple* Phi, HTuple* Length1, HTuple* Length2)
void HXLD::SmallestRectangle2Xld(HTuple* Row, HTuple* Column, HTuple* Phi, HTuple* Length1, HTuple* Length2) const
void HXLD::SmallestRectangle2Xld(double* Row, double* Column, double* Phi, double* Length1, double* Length2) const
static void HOperatorSet.SmallestRectangle2Xld(HObject XLD, out HTuple row, out HTuple column, out HTuple phi, out HTuple length1, out HTuple length2)
void HXLD.SmallestRectangle2Xld(out HTuple row, out HTuple column, out HTuple phi, out HTuple length1, out HTuple length2)
void HXLD.SmallestRectangle2Xld(out double row, out double column, out double phi, out double length1, out double length2)
def smallest_rectangle2_xld(xld: HObject) -> Tuple[Sequence[float], Sequence[float], Sequence[float], Sequence[float], Sequence[float]]
def smallest_rectangle2_xld_s(xld: HObject) -> Tuple[float, float, float, float, float]
描述
该算子 smallest_rectangle2_xldsmallest_rectangle2_xldSmallestRectangle2XldSmallestRectangle2XldSmallestRectangle2Xldsmallest_rectangle2_xld determines the smallest
enclosing rectangle of each input contour or polygon, i.e., the rectangle
with the smallest area of all rectangles containing the contour. For this
rectangle the center, the inclination, and the two radii are calculated.
If more than one contour or polygon is passed, the results are stored
in tuples in the same order as the respective contours or polygons in
XLDXLDXLDXLDXLDxld. In case of an empty contour all parameters
have the value 0.0 if no other behavior was set (see set_systemset_systemSetSystemSetSystemSetSystemset_system).
运行信息
- 多线程类型:可重入(与非独占操作符并行运行)。
- 多线程作用域:全局(可以从任何线程调用)。
- 在元组级别自动并行化。
参数表
XLDXLDXLDXLDXLDxld (input_object) xld(-array) → objectHXLDHObjectHXLDHobject
Contours or polygons to be examined.
RowRowRowRowrowrow (output_control) rectangle2.center.y(-array) → HTupleSequence[float]HTupleHtuple (real) (double) (double) (double)
Row coordinate of the center point of the enclosing
rectangle.
ColumnColumnColumnColumncolumncolumn (output_control) rectangle2.center.x(-array) → HTupleSequence[float]HTupleHtuple (real) (double) (double) (double)
Column coordinate of the center point of the
enclosing rectangle.
PhiPhiPhiPhiphiphi (output_control) rectangle2.angle.rad(-array) → HTupleSequence[float]HTupleHtuple (real) (double) (double) (double)
Orientation of the enclosing rectangle
(arc measure)
Assertion:
- pi / 2 < Phi && Phi <= pi / 2
Length1Length1Length1Length1length1length_1 (output_control) rectangle2.hwidth(-array) → HTupleSequence[float]HTupleHtuple (real) (double) (double) (double)
First radius (half length) of the enclosing
rectangle.
Assertion:
Length1 >= 0.0
Length2Length2Length2Length2length2length_2 (output_control) rectangle2.hheight(-array) → HTupleSequence[float]HTupleHtuple (real) (double) (double) (double)
Second radius (half width) of the enclosing
rectangle.
Assertion:
Length2 >= 0.0 && Length2 <= Length1
Complexity
If N is the number of contour points and C is the number of points
in the convex hull, the runtime complexity is O(N*ln(N)+C^2).
结果
smallest_rectangle2_xldsmallest_rectangle2_xldSmallestRectangle2XldSmallestRectangle2XldSmallestRectangle2Xldsmallest_rectangle2_xld returns 2 (
H_MSG_TRUE)
if the input is not empty.
If the input is empty the behavior can be set via
set_system(::'no_object_result',<Result>:)set_system("no_object_result",<Result>)SetSystem("no_object_result",<Result>)SetSystem("no_object_result",<Result>)SetSystem("no_object_result",<Result>)set_system("no_object_result",<Result>). If
necessary, an exception is raised.
可能的前置算子
gen_contours_skeleton_xldgen_contours_skeleton_xldGenContoursSkeletonXldGenContoursSkeletonXldGenContoursSkeletonXldgen_contours_skeleton_xld,
edges_sub_pixedges_sub_pixEdgesSubPixEdgesSubPixEdgesSubPixedges_sub_pix,
threshold_sub_pixthreshold_sub_pixThresholdSubPixThresholdSubPixThresholdSubPixthreshold_sub_pix,
gen_contour_polygon_xldgen_contour_polygon_xldGenContourPolygonXldGenContourPolygonXldGenContourPolygonXldgen_contour_polygon_xld
可能的后置算子
gen_polygons_xldgen_polygons_xldGenPolygonsXldGenPolygonsXldGenPolygonsXldgen_polygons_xld
可替代算子
smallest_rectangle1smallest_rectangle1SmallestRectangle1SmallestRectangle1SmallestRectangle1smallest_rectangle1,
shape_trans_xldshape_trans_xldShapeTransXldShapeTransXldShapeTransXldshape_trans_xld
参考其它
smallest_rectangle1smallest_rectangle1SmallestRectangle1SmallestRectangle1SmallestRectangle1smallest_rectangle1,
smallest_circlesmallest_circleSmallestCircleSmallestCircleSmallestCirclesmallest_circle,
elliptic_axis_xldelliptic_axis_xldEllipticAxisXldEllipticAxisXldEllipticAxisXldelliptic_axis_xld
模块
Foundation